William James Sidis
250
Estimated IQ
99.9999th percentile
Marilyn vos Savant
228
Estimated IQ
99.9999th percentile
Leonardo da Vinci
220
Estimated IQ
99.9999th percentile
Nathan Leopold
210
Estimated IQ
99.9999th percentile
Aristotle
190
Estimated IQ
99.9999th percentile
Cleopatra
180
Estimated IQ
99.9999th percentile
Michelangelo
180
Estimated IQ
99.9999th percentile
Friedrich Nietzsche
180
Estimated IQ
99.9999th percentile
Sun Tzu
175
Estimated IQ
99.9999th percentile
Plato
170
Estimated IQ
99.999th percentile
Machiavelli
170
Estimated IQ
99.999th percentile
Karl Marx
170
Estimated IQ
99.999th percentile
Albert Camus
170
Estimated IQ
99.999th percentile
Jean-Paul Sartre
170
Estimated IQ
99.999th percentile
Ted Kaczynski
167
Estimated IQ
99.999th percentile
Wolfgang Amadeus Mozart
165
Estimated IQ
99.999th percentile
Ludwig van Beethoven
165
Estimated IQ
99.999th percentile
Julius Caesar
160
Estimated IQ
99.99th percentile
Vladimir Lenin
160
Estimated IQ
99.99th percentile
Genghis Khan
150
Estimated IQ
99.957th percentile
Ho Chi Minh
150
Estimated IQ
99.957th percentile
Jeffrey Dahmer
145
Estimated IQ
99.87th percentile
Edmund Kemper
145
Estimated IQ
99.87th percentile
Mahatma Gandhi
145
Estimated IQ
99.87th percentile
Adolf Hitler
141
Estimated IQ
99.69th percentile
Martin Luther King Jr.
140
Estimated IQ
99.62th percentile
Ted Bundy
136
Estimated IQ
99.18th percentile
Keith Raniere
135
Estimated IQ
99.02th percentile
Frank Morris
133
Estimated IQ
98.6th percentile
Ed Gein
130
Estimated IQ
97.7th percentile
Osama bin Laden
130
Estimated IQ
97.7th percentile
Charles Manson
121
Estimated IQ
91.9th percentile
John Wayne Gacy
118
Estimated IQ
88.5th percentile
Richard Ramirez
89
Estimated IQ
23.2th percentile
Gary Ridgway
82
Estimated IQ
11.5th percentile